Marking devices



Se t. 19, 1961 s. N. ROSENTHAL MARKING DEVICES Filed Aug. 24, 1959 IN VEN TOR.

United States Patent 3,000,355 MARKING DEVICES Sidney N. Rosenthal,Belle Harbor, N.Y., assignor t0 Speedry Chemical Products, Inc.,Richmond Hill, N.Y. Filed Aug. 24, 1959, Ser. No. 835,459 1 Claim. (Cl.12042.4)

The present invention relates to marking devices capable of employingopaque inks which are in general more viscous than translucent or dyetype inks.

An object of said invention has been to provide a relatively low costmarker which can be used with advantage for marking or writing onpractically any soiled surfaces with a relatively viscous type of ink,or for marking textiles with a more freely flowing but somewhat viscoustype of ink.

Another object of the invention is to so construct the marker that theink, when of high viscosity, may be forced from the container in whichit is carried to the writing nib.

For such purposes, a further object of the invention has been to providea marking device in a simple compact form which affords adequate scalingto prevent loss and impairment by evaporation of the pigment carryingmedium, and which is readly taken apart for cleaning and refilling orfor changing from one color or type of ink to another color or type.

One embodiment of a marking device according to the present invention isillustrated in the drawings appended to this application and wherein:

FIGURE 1 is a central longitudinal section on enlarged scale;

FIGURE 2, an exploded sectional view showing construction of the partsforming the cap assembly in FIG- URE 1; and

FIGURE 3, a fragmentary view in vertical section on enlarged scaleillustrating construction of the joint between the cap and the inkcarrier and between the cap and the applicator or spout.

Referring to the drawings, the device there shown includes an inkcontainer 10, conveniently in a form wherein lateral wall portions areflexible and permit the contents to be ejected by manual pressurethereon, such for example as a squeeze-bottle of polyethylene or othersuitable material. Said container has an open neck 11 which isexternally threaded to receive a cover or cap 12.

Cap 12 has a central opening defined by an annular lip 13 which closelyengages and holds a spout and nib assembly 14. As appears more clearlyfrom FIGURES 2 and 3, a depending annular ridge 15 coaxial with andspaced from said central opening extends from the generally flatunder-surface of the end wall of cap 12, its inner surface 16 beingarranged to form with lip 13 an annular recess.

The spout has a shoulder 17 at its inner end which nests in said recess;and flange 18 of the spout bears closely against the face of ridge 15.Said spout has a rounded outer end of relatively reduced cross-sectionalarea provided with a discharge opening 19 which is maintained normallyin closed condition by a spring pressed valve ball 22 which ispreferably of polished corrosion resistant material, as stainless steel.A compression spring 20 is operatively interposed between said ball 22and a retainer ring 21.

Patented Sept. 19, 1961 Where the end wall of cap 12 is of polyethylene,or equivalent material, the thickness thereof will be such that lip 13is sufliciently flexible to closely hug a portion of spout 14. The baseportion 23 of the spout is slightly tapered and of such dimensions thatwhen the outer end portion of the spout is pressed outwardly through theopening in cap 12 into operative position, as seen in FIG- URE 3, saidlip 13 presses closely in sealing engagement around a portion of saidbase adjacent to said shoulder 17. Thus, the cap and spout form a leakresistant assembly which is releasably secured to the neck 11 ofcontainer 10. When the parts are all assembled in operative relation,the rim of neck 11 engages flange 18 of the spout and presses the sameclosely against ridge 15 thus providing a seal against leakage betweenthe cap and the container and between the container and the spout.

In use, the marker is held in a position to feed ink into the spout; andsaid ink is discharged therefrom as desired by pressing the valve ballagainst the surface to be marked while drawing the ball and tip or spoutend across said surface.

It will be realized that when ink of high viscosity is used and themarker is inverted for marking purposes, that the ink will flow more orless slowly to the marking nib. However, the construction of thecontainer in which the ink supply is stored of a squeeze bottle form, asfor instance of polyethylene, enables the user to force the ink to thewriting nib by the application of pressure. Thus, the marker is incondition for successful marking immediately upon its being invertedinto a marking position.

What I claim is:

In a marking device, the combination of a marking fluid squeeze typecontainer having an externally threaded open end neck; a spout having anupper end opening and also having its lower end flaring outwardly andtermination in a peripheral outward flange; with such flange seating onand engaging the upper edge of the neck; a retaining ring in said spoutat its lower end; a valving ball in said spout opening at its upper end;a coiled compression spring in the spout between and bearing against theretaining ring and the ball; and an internally threaded cap threaded onsaid neck and having a flexible peripheral inward flange formed with acentral hole whose edge is flexible and is in tight sealing engagementwith the side wall of the spout at its outwardly flaring lower end; thecap flange having on its lower surface an annular rib formed anddirected toward the flange of the spout and the upper edge of the neckto bear against the spout flange and press the latter tightly againstthe neck edge, such rib being coaxial with the neck edge.

References Cited in the file of this patent UNITED STATES PATENTS2,008,454 Klein July 16, 1935 2,612,162 Barry Sept. 30, 1952 2,644,613Pepin July 7, 1953 2,672,875 Kovacs Mar. 23, 1954 2,746,631 Witz May 22,1956 2,884,151 Biederman Apr. 28, 1959 2,930,062 Reimann Mar. 29, 1960FOREIGN PATENTS 202,476 Austria Mar. 10, 1959

